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Inicio  /  Water  /  Vol: 9 Par: 12 (2017)  /  Artículo
ARTÍCULO
TITULO

An Experimental Study of Two-Phase Pulse Flushing Technology in Water Distribution Systems

Zhaozhao Tang    
Wenyan Wu    
Xiaoxi Han and Ming Zhao    

Resumen

The deterioration of drinking water during distribution process is caused by many factors. The microorganisms and substances peeling off from the ?growth-ring? make the secondary pollution in drinking water distribution systems. To reduce the secondary pollution, two-phase pulse flushing technology is introduced to quickly remove the ?growth-ring?. In this study, experiment is undertaken for investigating the efficiency of the two-phase pulse flushing and finding the best setting combination. A case study is undertaken to compare the efficiencies between the two-phase pulse and the single-phase flushing. The best setting combination of the two-phase pulse flushing is at the frequency 4 s?6 s (air inflow time is 4 s and air cut off time is 6 s) and the round air inflow nozzle is set at the bottom of the pipe. Two-phase pulse flushing technology can save 95% of water and 6 h 40 min flushing time.

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